var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var jwt = require('jsonwebtoken');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var proRouter = require('./routes/pro');
var cartRouter = require('./routes/cart');
var bannerRouter = require('./routes/banner');
var commentRouter = require('./routes/comment');
var orderRouter = require('./routes/order');
var addressRouter = require('./routes/address');
var headRouter = require('./routes/headimg');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// app.use((req, res, next) => {
//   if (req.url !== '/users/login' && req.url !== '/users/register' && req.url !== '/banner') {
//     let token = req.headers.token || req.query.token || req.body.token;
//     if (token) {
//       jwt.verify(token, 'vuexiangmu4', function(err, decoded) {
//         if (err) {
//           res.send({ 
//             code: '10119', 
//             message: '没有找到token.' 
//           });
//         } else {
//           req.decoded = decoded;  
//           console.log('验证成功', decoded);
//           next()
//         }
//       }) 
//     } else {
//       res.send({ 
//         code: '10119', 
//         message: '没有找到token.' 
//       });
//     }
//   } else {
//     next()
//   }
// })

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/pro', proRouter);
app.use('/cart', cartRouter);
app.use('/banner', bannerRouter);
app.use('/comment', commentRouter);
app.use('/order', orderRouter);
app.use('/address', addressRouter);
app.use('/headimg', headRouter);


// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
